by Casciola, G., Romani, L.
Published in Journal of computational and applied mathematics (15.01.2009)

by Schneider, C., Werner, W.
Published in Computing (01.03.1991)

by Arndt, Herbert
Published in Numerische Mathematik (01.03.1980)

by Horiguchi, Kazumi, Hamada, Nozomu
Published in Electronics & communications in Japan. Part 1, Communications (1986)